The health care worker in quarantine in New Jersey after arriving from West Africa has tested negative for Ebola in a preliminary test. NBC's Ron Allen reports.Oct. 25, 2014
UP NEXT
Breaking Down Viral Outbreaks
06:37
Dr. Fauci: Monkeypox response must be free of stigmas and ‘bureaucratic hoops’
09:22
Biophysicist on monkeypox: Without vaccine and treatment access, 'this is be an ongoing global problem'
03:55
Fauci: Monkeypox should 'absolutely' be taken seriously — here's what you need to know
09:04
Monkey Pox; What We Learned From Covid-19 And How the U.S. Response Should be Better
06:46
Northup: Abortion crisis will “continue to unfurl” unless more steps are taken to mitigate